<template>
	<view>
		<view class="top u-flex">
			<view class="search-box u-flex" @click="goToSearch(queryName)">
				<view class="keyword u-flex" v-if="queryName != ''">
					<text>{{ queryName }}</text>
					<image src="../../../../static/icon/close_white.png" @click.stop="goToSearch()"></image>
				</view>
			</view>
			<image
				class="toggle-icon"
				:src="display == 'card' ? '../../../../static/icon/arrange_list_black.png' : '../../../../static/icon/arrange_cell_black.png'"
				@click="toggleDisplay"
			></image>
		</view>
		<view class="sort u-flex">
			<view class="item synthesize">
				<view @click="sortPop = true" class="u-flex" :style="{ color: sortBy == 0 || sortBy == 8 ? '#BF1111' : '#333' }">
					<text>{{ sortBy == 0 ? '综合' : '销量' }}</text>
					<u-icon name="down" custom-prefix="custom-icon"></u-icon>
				</view>
				<u-popup v-model="sortPop" mode="top" border-radius="16" length="auto">
					<view class="sort-rule u-flex-col">
						<view class="u-flex" :style="{ color: sortBy == 0 ? '#BF1111' : '#333' }" @click="sort(0), (sortPop = false)">
							<text>综合排序</text>
							<u-icon v-if="sortBy == 0" name="checkbox-mark"></u-icon>
						</view>
						<view class="u-flex" :style="{ color: sortBy == 8 ? '#BF1111' : '#333' }" @click="sort(8), (sortPop = false)">
							<text>销量排序</text>
							<u-icon v-if="sortBy == 8" name="checkbox-mark"></u-icon>
						</view>
					</view>
				</u-popup>
			</view>
			<view class="item" @click="sort(7)" :style="{ color: sortBy == 7 ? '#BF1111' : '#333' }">新品</view>
			<view class="item price" @click="sort(3)" :style="{ color: sortBy == 1 || sortBy == 2 ? '#BF1111' : '#333' }">
				<text>价格</text>
				<u-icon name="down" custom-prefix="custom-icon" :style="{ transform: sortBy == 1 ? 'rotate(180deg)' : '' }"></u-icon>
			</view>
			<view class="item" @click="sort(6)" :style="{ color: sortBy == 6 ? '#BF1111' : '#333' }">信用</view>
			<view class="item">
				<view class="u-flex" @click="filterPop = true" :style="{ color: filterColor }">
					<text>筛选</text>
					<u-icon name="filter" custom-prefix="custom-icon" size="30"></u-icon>
				</view>
				<u-popup v-model="filterPop" mode="right" length="80%">
					<scroll-view scroll-y class="filter">
						<view class="params" v-if="screeningInfo.services">
							<view class="head u-flex">
								<view class="title">折扣与服务</view>
								<!-- <view class="all u-flex">
									<text>全部</text><u-icon name="down" custom-prefix="custom-icon"></u-icon>
								</view> -->
							</view>
							<view class="list u-flex">
								<text
									:class="{ active: isActive(item, 'services') }"
									v-for="(item, index) in screeningInfo.services"
									:key="index"
									@click="paramsFilter(item, 'services')"
								>
									{{ item.name }}
								</text>
							</view>
						</view>
						<view class="params">
							<view class="head u-flex"><view class="title">价格区间</view></view>
							<view class="price-box u-flex">
								<input type="text" placeholder="最低价" v-model.number="filter.minPrice" @blur="getGoodsList" />
								<text>-</text>
								<input type="text" placeholder="最高价" v-model.number="filter.maxPrice" @blur="getGoodsList" />
							</view>
						</view>
						<view class="params" v-if="screeningInfo.category2">
							<view class="head u-flex"><view class="title">分类</view></view>
							<view class="list u-flex">
								<text
									:class="{ active: isActive(item, 'category2') }"
									v-for="(item, index) in screeningInfo.category2"
									:key="index"
									@click="paramsFilter(item, 'category2')"
								>
									{{ item.name }}
								</text>
							</view>
						</view>
						<view class="params" v-if="screeningInfo.brands">
							<view class="head u-flex">
								<view class="title">品牌</view>
								<!-- <view class="all u-flex">
									<text>全部</text><u-icon name="down" custom-prefix="custom-icon"></u-icon>
	 							</view> -->
							</view>
							<view class="list u-flex">
								<text
									:class="{ active: isActive(item, 'brands') }"
									v-for="(item, index) in screeningInfo.brands"
									:key="index"
									@click="paramsFilter(item, 'brands')"
								>
									{{ item.name }}
								</text>
							</view>
						</view>
						<view class="params" v-for="(item, index) in screeningInfo.attr" :key="index">
							<view class="head u-flex">
								<view class="title">{{ item.name }}</view>
								<!-- <view class="all u-flex">
									<text>全部</text><u-icon name="down" custom-prefix="custom-icon"></u-icon>
								</view> -->
							</view>
							<view class="list u-flex">
								<text :class="{ active: sitem.selected }" v-for="(sitem, sindex) in item.attrValue" :key="sindex" @click="attrFilter(item, sitem)">
									{{ sitem.name }}
								</text>
							</view>
						</view>
					</scroll-view>
					<view class="btns u-flex">
						<view class="btn reset u-flex" @click="resetFilter">重置</view>
						<view class="btn confirm u-flex" @click="filterPop = false">确定({{ total }}件商品)</view>
					</view>
				</u-popup>
			</view>
		</view>

		<!-- 卡片视图 -->
		<view class="goodslist-card" v-show="display == 'card'">
			<view class="item" v-for="(item, index) in goodsList" :key="index" @click="goToDetail(item.data.goodsInfo.gid)">
				<view class="goods-img u-flex">
					<u-lazy-load :image="item.data.goodsInfo.img800s || item.data.goodsInfo.imgSquare" loading-img="/static/lazy/goods-lazy-load.png"></u-lazy-load>
				</view>
				<view class="labelbox">
					<text v-for="(litem, lindex) in item.data.label.normal" :key="lindex" :style="{ backgroundColor: getLabelColor(litem.attrs) }">{{ litem.text }}</text>
				</view>
				<view class="title">{{ item.data.goodsInfo.name }}</view>
				<view class="subtitle">
					<text v-if="!item.data.goodsInfo.coreSellingPoint || item.data.goodsInfo.coreSellingPoint.length == 0">{{ item.data.goodsInfo.summary }}</text>
					<view v-else class="selling-point">
						<text v-for="(sitem, sindex) in item.data.goodsInfo.coreSellingPoint" :key="sindex">{{ sitem }}</text>
					</view>
				</view>
				<view class="price">
					<text>￥</text>
					<text class="priceMin">{{ item.data.goodsInfo.priceMin / 100 }}</text>
					<text class="spec" v-if="item.data.goodsInfo.priceTag">起</text>
					<text class="marketPrice" v-if="item.data.goodsInfo.priceMin != item.data.goodsInfo.marketPrice">￥{{ item.data.goodsInfo.marketPrice / 100 }}</text>
				</view>
				<view class="comment">
					<text>{{ item.data.comment.count > 100000 ? '10万+' : item.data.comment.count }}条评论</text>
					<text v-if="item.data.comment.positiveRate > 0">{{ item.data.comment.positiveRate }}%好评</text>
				</view>
			</view>
		</view>
		<!-- 列表视图 -->
		<view class="goodslist-list" v-show="display == 'list'">
			<view class="item u-flex" v-for="(item, index) in goodsList" :key="index" @click="goToDetail(item.data.goodsInfo.gid)">
				<u-lazy-load
					class="goods-img"
					border-radius="12"
					:image="item.data.goodsInfo.img800s || item.data.goodsInfo.imgSquare"
					loading-img="/static/lazy/goods-lazy-load.png"
				></u-lazy-load>
				<view class="content u-flex-col">
					<view class="title u-line-1">{{ item.data.goodsInfo.name }}</view>
					<view class="subtitle u-line-1">{{ item.data.goodsInfo.summary }}</view>
					<view class="selling-point" v-if="item.data.goodsInfo.coreSellingPoint">
						<text v-for="(sitem, sindex) in item.data.goodsInfo.coreSellingPoint" :key="sindex">{{ sitem }}</text>
					</view>
					<view class="price">
						<text>￥</text>
						<text class="priceMin">{{ item.data.goodsInfo.priceMin / 100 }}</text>
						<text class="spec" v-if="item.data.goodsInfo.priceTag">起</text>
						<text class="marketPrice" v-if="item.data.goodsInfo.priceMin != item.data.goodsInfo.marketPrice">￥{{ item.data.goodsInfo.marketPrice / 100 }}</text>
					</view>
					<view class="labelbox">
						<text v-for="(litem, lindex) in item.data.label.normal" :key="lindex" :style="{ backgroundColor: getLabelColor(litem.attrs) }">{{ litem.text }}</text>
					</view>
					<view class="comment">
						<text>{{ item.data.comment.count > 100000 ? '10万+' : item.data.comment.count }}条评论</text>
						<text v-if="item.data.comment.positiveRate > 0">{{ item.data.comment.positiveRate }}%好评</text>
					</view>
				</view>
			</view>
		</view>
		<view class="sortLoading" v-show="sortLoading"><full-loading></full-loading></view>
		<view v-show="showLoadmore">
			<u-loadmore :status="loadingStatus" :margin-top="20" :margin-bottom="40" bg-color="#f9f9f9" :font-size="24" :load-text="loadingText" color="#999" />
		</view>
		<mi-toast ref="miToast" />
	</view>
</template>

<script>
import fullLoading from '@/components/full-loading.vue'
export default {
	data() {
		return {
			queryName: '',
			queryID: '',
			goodsList: [],
			sortBy: 0,
			pageIdx: 0,
			total: 0,
			screeningInfo: {},
			screeningInfoCount: 0,
			filter: {
				attr: [],
				brands: [],
				category1: [],
				category2: [],
				category3: [],
				maxPrice: null,
				minPrice: null,
				services: [],
				special: [],
				specialCoupon: [],
				tags: []
			},
			loadingStatus: 'loadmore',
			loadingText: {
				loadmore: '上拉加载更多',
				loading: '努力加载中~',
				nomore: '我也是有底线的'
			},
			sortLoading: true,
			sortPop: false,
			filterPop: false,
			display: 'card',
			filterColor: '#333',
			pageType: ''
		}
	},
	onLoad(e) {
		if (e.cid) {
			this.pageType = 'categoryTab'
			this.queryID = e.cid
		} else if (e.key) {
			this.pageType = 'searchPage'
			this.queryName = e.key
		}
		this.getGoodsList()
	},
	methods: {
		getGoodsList(type) {
			// 0 综合排序  8 销量排序  7 新品排序  1 价格低到高  2 价格高到低  6 信用排序
			// 筛选改变filter对象
			let data = {
				queryId: this.queryID,
				query: [
					{
						queryName: this.queryName,
						queryType: 0,
						rule: []
					}
				],
				sortBy: this.sortBy,
				pageIdx: 0,
				filter: this.filter,
				source: this.pageType
			}
			let api = ''
			if (this.pageType == 'categoryTab') {
				api = 'queryIdSearch'
			} else if (this.pageType == 'searchPage') {
				api = 'doSearch'
			}
			this.$u.api[api](data).then(res => {
				if (type != 'more') {
					this.goodsList = res.data.data.goods
					this.pageIdx = res.data.pageIdx
					this.total = res.data.total
					if (res.data.screeningInfo && this.screeningInfoCount == 0) {
						this.screeningInfo = res.data.screeningInfo
						this.screeningInfoCount++
					}
					if (this.total == 0) {
						this.showToast('暂无匹配商品，请重新选择', 'warning')
					}
					this.sortLoading = false
				} else {
					res.data.data.goods.forEach(x => {
						this.goodsList.push(x)
					})
					this.loadingStatus = 'loadmore'
					this.pageIdx = res.data.pageIdx
				}
				
			})
		},
		sort(id) {
			// 当点击筛选ID和目前列表的筛选ID一致时，不请求数据，节省流量
			if (id == this.sortBy) return
			switch (id) {
				case 3:
					switch (this.sortBy) {
						case 1:
							this.sortBy = 2
							console.log('降序排列')
							break
						case 2:
							this.sortBy = 1
							console.log('升序排列')
							break
						default:
							this.sortBy = 2
							console.log('降序排列')
					}
					break
				default:
					this.sortBy = id
			}
			this.goodsList = []
			this.pageIdx = 0
			this.sortLoading = true
			this.getGoodsList()
		},
		paramsFilter(item, type) {
			if (this.filter[type].indexOf(item.name) == -1) {
				this.filter[type].push(item.name)
			} else {
				this.filter[type].splice(this.filter[type].indexOf(item.name), 1)
			}
			this.filterColor = '#BF1111'
			this.getGoodsList()
		},
		attrFilter(item, sitem) {
			let result = []
			item.attrValue.some((x, i) => {
				if (x.name == sitem.name) {
					if (!x.selected) {
						this.$set(x, 'selected', true)
					} else {
						x.selected = false
					}
				}
				if (x.selected) {
					result.push(x)
				} else {
					result.splice(i, 1)
				}
			})
			// console.log(result)
			let str = []
			result.forEach(x => {
				str.push(x.name)
			})
			// console.log(str)
			let obj = {
				name: item.name,
				attrValue: []
			}
			// console.log(obj)
			let flag = true
			this.filter.attr.forEach(item => {
				if (item.name === obj.name) {
					// 对象里的唯一标识name
					flag = false
				}
			})
			if (flag) {
				this.filter.attr.push(obj)
			}
			this.filter.attr.forEach((x, i) => {
				if (x.name == item.name) {
					x.attrValue = str
				}
				if (x.attrValue.length == 0) {
					this.filter.attr.splice(i, 1)
				}
			})

			this.filterColor = '#BF1111'
			this.getGoodsList()
		},
		resetFilter() {
			// 初始化filter对象
			Object.assign(this.$data.filter, this.$options.data().filter)
			this.screeningInfo.attr.forEach(x => {
				x.attrValue.forEach(s => {
					s.selected = false
				})
			})
			this.filterColor = '#333'
			this.getGoodsList()
		},
		isActive(item, type) {
			if (this.filter[type].indexOf(item.name) == -1) {
				return false
			} else {
				return true
			}
		},
		getLabelColor(str) {
			return str.substr(str.indexOf('#'), 7)
		},
		goToDetail(gid) {
			uni.navigateTo({
				url: '../detail/detail?gid=' + gid
			})
		},
		goToSearch(key) {
			if (key) {
				uni.redirectTo({
					url: '../../search/search?key=' + key
				})
			} else {
				uni.redirectTo({
					url: '../../search/search'
				})
			}
		},
		toggleDisplay() {
			if (this.display == 'card') {
				this.display = 'list'
			} else {
				this.display = 'card'
			}
		},
		showToast(msg, type) {
			this.$refs.miToast.show({
				title: msg,
				type: type
			})
		}
	},
	onReachBottom() {
		if (this.pageIdx < this.total) {
			this.getGoodsList('more')
			this.loadingStatus = 'loading'
		} else {
			this.loadingStatus = 'nomore'
		}
	},
	computed: {
		showLoadmore() {
			return this.goodsList.length !== 0 ? true : false
		}
	},
	components: {
		fullLoading
	}
}
</script>

<style lang="scss">
page {
	background-color: #f7f7f7;
}
.top,
.sort {
	position: fixed;
	width: 750rpx;
	font-size: 26rpx;
	background-color: #f7f7f7;
	z-index: 1080;
	// transform: rotate(180deg);
}
.top {
	top: 0;
	justify-content: space-between;
	padding: 0 20rpx;
	height: 60rpx;
	.search-box {
		flex: 1;
		padding-left: 18rpx;
		// width: 660rpx;
		height: 60rpx;
		background-color: #ffffff;
		border-radius: 30rpx;
		.keyword {
			padding: 2rpx 16rpx;
			color: #fff;
			border-radius: 30rpx;
			background-color: rgb(153, 153, 153);
			image {
				// margin-left: 6rpx;
				width: 32rpx;
				height: 32rpx;
			}
		}
	}
	.toggle-icon {
		width: 64rpx;
		height: 64rpx;
	}
}
.sort {
	top: 60rpx;
	height: 80rpx;
	color: #333333;
	.item {
		display: flex;
		align-items: center;
		justify-content: center;
		width: 20%;
		height: inherit;
		& > view {
			width: 100%;
			height: inherit;
			justify-content: center;
		}
		u-icon {
			margin-left: 4rpx;
		}
		.u-drawer {
			// top: 60rpx;
		}
		.sort-rule {
			justify-content: space-around;
			padding: 10rpx 24rpx;
			height: 160rpx;
			background-color: #f7f7f7;
			& > view {
				justify-content: space-between;
				// margin-top: 20rpx;
			}
		}
		.filter {
			height: 92%;
			// padding: 10rpx 0;
			.params {
				margin-bottom: 20rpx;
				padding: 0 20rpx;
				.head {
					justify-content: space-between;
					height: 60rpx;
					font-size: 28rpx;
					color: #555;
					.title {
						font-weight: bold;
					}
					.all {
						color: #999;
						font-size: 22rpx;
					}
				}
				.list {
					// justify-content: space-between;
					flex-wrap: wrap;
					margin-top: 10rpx;
					text {
						margin: 0 16rpx 20rpx 0;
						padding: 0 10rpx;
						height: 52rpx;
						width: 176rpx;
						max-width: 176rpx;
						font-size: 24rpx;
						line-height: 51rpx;
						text-align: center;
						border-radius: 26rpx;
						background-color: rgb(244, 244, 244);
						overflow: hidden;
						white-space: nowrap;
						text-overflow: ellipsis;
						border: 1rpx solid rgb(244, 244, 244);
					}
					text:nth-child(3n) {
						margin-right: 0;
					}
					.active {
						color: #bf1111;
						border: 1rpx solid rgb(191, 17, 17);
						background-color: rgb(246, 237, 237);
					}
				}
				.price-box {
					justify-content: space-between;
					margin-top: 10rpx;
					input {
						height: 52rpx;
						width: 240rpx;
						margin-bottom: 20rpx;
						text-align: center;
						border-radius: 26rpx;
						background-color: rgb(244, 244, 244);
					}
					text {
						margin-bottom: 20rpx;
					}
				}
			}
		}
		.btns {
			justify-content: space-around;
			height: 8%;
			// background-color: #EEEEEE;
			.btn {
				justify-content: center;
				height: 80%;
				width: 46%;
				border-radius: 60rpx;
			}
			.reset {
				color: rgb(51, 51, 51);
				border: 1rpx solid rgb(204, 204, 204);
			}
			.confirm {
				color: #fff;
				background: linear-gradient(to right, rgb(240, 78, 46), rgb(213, 16, 16));
			}
		}
	}
	.synthesize {
	}
	.price {
	}
}

.goodslist-card {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	padding: 0 20rpx;
	margin-top: 140rpx;
	background-color: #f7f7f7;
	.item {
		position: relative;
		width: 346rpx;
		margin-bottom: 24rpx;
		padding-bottom: 20rpx;
		border-radius: 8rpx;
		background-color: #ffffff;
		font-size: 28rpx;
		overflow: hidden;
		.goods-img {
			justify-content: center;
			width: 346rpx;
			height: 346rpx;
			border-radius: 8rpx 8rpx 0 0;
			u-lazy-load {
				width: 280rpx;
				height: 280rpx;
				.u-wrap {
					background-color: #fff !important;
				}
			}
		}
		.labelbox {
			position: absolute;
			top: 308rpx;
			left: 0;
			text {
				display: inline-block;
				border-radius: 2rpx;
				// background-color: #d96b6c;
				color: #ffffff;
				margin-right: 10rpx;
				text-align: center;
				height: 32rpx;
				padding: 0 10rpx;
				line-height: 32rpx;
				font-size: 24rpx;
			}
		}
		.title,
		.subtitle {
			width: 346rpx;
			padding-left: 16rpx;
			padding-right: 6rpx;
			white-space: nowrap;
			text-overflow: ellipsis;
			-webkit-box-pack: center;
			overflow: hidden;
		}
		.title {
			font-size: 30rpx;
			color: rgb(51, 51, 51);
			line-height: 42rpx;
			margin-top: 6rpx;
		}
		.subtitle {
			font-size: 26rpx;
			color: rgb(153, 153, 153);
			margin-top: 4rpx;
			line-height: 36rpx;
			.selling-point {
				text {
					font-size: 22rpx;
					display: inline-block;
					margin-right: 8rpx;
					padding: 0 12rpx;
					border-radius: 36rpx;
					background-color: rgb(248, 248, 248);
				}
			}
		}
		.price {
			margin-top: 10rpx;
			padding-left: 16rpx;
			color: rgb(227, 13, 13);
			font-size: 26rpx;
			height: 40rpx;
			font-family: 'AllAndNone';
			.priceMin {
				font-size: 34rpx;
				margin-right: 4rpx;
				font-weight: bold;
			}
			.marketPrice {
				margin-left: 6rpx;
				font-size: 24rpx;
				color: #999;
				text-decoration: line-through;
			}
			.spec {
				font-size: 24rpx;
			}
		}
		.comment {
			margin-top: 6rpx;
			padding-left: 16rpx;
			font-size: 22rpx;
			color: #999;
			text {
				margin-right: 12rpx;
			}
		}
	}
}
.goodslist-list {
	padding: 0 20rpx;
	margin-top: 140rpx;
	background-color: #fff;
	border-radius: 24rpx 24rpx 0 0;
	overflow: hidden;
	.item {
		margin: 30rpx 0;
		font-size: 28rpx;
		.goods-img {
			width: 252rpx;
			height: 252rpx;
			.u-wrap {
				background-color: rgba(0, 0, 0, 0.02) !important;
			}
		}
		.content {
			height: 252rpx;
			padding: 4rpx 0 2rpx 16rpx;
		}

		.title,
		.subtitle {
			width: 440rpx;
		}
		.title {
			font-size: 28rpx;
			color: #333;
			line-height: 42rpx;
		}
		.subtitle {
			font-size: 24rpx;
			color: rgb(153, 153, 153);
			margin-top: 4rpx;
			line-height: 36rpx;
		}
		.selling-point {
			text {
				display: inline-block;
				margin-right: 8rpx;
				padding: 0 12rpx;
				font-size: 22rpx;
				color: #999;
				border-radius: 36rpx;
				background-color: rgb(248, 248, 248);
			}
		}
		.price {
			margin-top: auto;
			color: rgb(227, 13, 13);
			font-size: 26rpx;
			height: 40rpx;
			font-family: 'AllAndNone';
			.priceMin {
				font-size: 34rpx;
				margin-right: 4rpx;
				font-weight: bold;
			}
			.marketPrice {
				margin-left: 6rpx;
				font-size: 24rpx;
				color: #999;
				text-decoration: line-through;
			}
			.spec {
				font-size: 24rpx;
			}
		}
		.labelbox {
			text {
				display: inline-block;
				border-radius: 4rpx;
				color: #ffffff;
				margin-right: 10rpx;
				text-align: center;
				height: 32rpx;
				padding: 0 10rpx;
				line-height: 32rpx;
				font-size: 24rpx;
			}
		}
		.comment {
			margin-top: 6rpx;
			font-size: 22rpx;
			color: #999;
			text {
				margin-right: 12rpx;
			}
		}
	}
}
.changeTabLoading {
	position: relative;
	width: 750rpx;
	height: 1000rpx;
}
full-loading {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}
</style>
